RETIREMENT AND POSTRETIREMENT BENEFIT PLANS - Summary of Net Benefit Costs (Details) - Pension Plan - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 2	$ 1	$ 1
Interest cost	6	4	5
Expected return on plan assets	(11)	(8)	(9)
Actuarial loss (gain)	2	1	1
Net periodic pension expense (benefit)	$ (1)	$ (2)	$ (2)